Results 71 to 80 of about 27,431 (169)
It is demonstrated that the claim in the paper "Crossing $\omega=-1$ by a single scalar field on a Dvali-Gabadadze-Porrati brane" by H Zhang and Z-H Zhu [Phys.Rev.D75,023510(2007)], about a prove that there do not exist scaling solutions in a universe ...
D. M. Capper +5 more
core +1 more source
A Bayesian estimate of the early COVID-19 infection fatality ratio in Brazil based on a random seroprevalence survey. [PDF]
Marra V, Quartin M.
europepmc +1 more source
Creant universos virtuals. Supercomputació en astrofísica [PDF]
Creating Virtual Worlds. Supercomputing in Astrophysics.Astrophysics and Cosmology are disciplines in which we cannot reproduce the phenomena studied in the laboratory.
José Maria Ibáñez +2 more
core +1 more source
A new symmetry of the relativistic wave equation
In this paper we show that there exists a new symmetry in the relativistic wave equation for a scalar field in arbitrary dimensions. This symmetry is related to redefinitions of the metric tensor which implement a map between non-equivalent manifolds. It
Falciano, F. T., Goulart, E.
core +1 more source
[Sport and eugenics: the linao game regulation project by the Club de Gimnasia y Deportes, Santiago de Chile, 1929]. [PDF]
Ovalle A, Briones D.
europepmc +1 more source
The present article aims to recover the concept of ‘nature” elaborated by Comenius, based on two of his most important books, Didatica Magna (1638) and Orbis Sensualium Pictus (1658).
Marcos Alexandre Gomes Nalli
doaj
The strong gravitational potential of neutron stars (NSs) makes them ideal astrophysical objects for testing extreme gravity phenomena. We explore the potential of NS X-ray pulsed light curve observations to probe deviations from general relativity (GR ...
Tulio Ottoni +4 more
doaj +1 more source
Diseases of Africans, an African disease: transformations of quijila between Central West Africa and Minas Gerais, in Brazil, in the seventeenth and eighteenth centuries. [PDF]
Furtado JF.
europepmc +1 more source
El conjunto de relatos míticos Desâna, editado con el título de “Antes o mundo não existia” (Kumu & Kenhiri 1980), tiene la virtud de ampliar la cantidad de publicaciones sobre ese grupo con un material extremadamente valioso, por cuanto se trata de ...
Ana Maria Gorosito Kramer
doaj
Matéria e espírito na cosmologia jonasiana
A abrangência temática dos escritos jonasianos é tão surpreendente quanto a profundidade com que os temas são neles abordados. Um bom exemplo dessa afirmação pode ser encontrado num opúsculo intitulado Materie, Geist und Shöpfung, brilhantemente ...
Lilian Godoy
doaj

